NTSB Identification: MIA91LA016.
The docket is stored on NTSB microfiche number 42967.
Accident occurred Thursday, October 25, 1990 in ORLANDO, FL
Probable Cause Approval Date: 12/08/1992
Aircraft: PIPER PA-28-181, registration: N21175
Injuries: 1 Minor,4 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT STATED HE PERFORMED FUEL CONSUMPTION CALCULATIONS FOR THE FLT & DETERMINED THAT THE ENDURACE ACCORDING TO THE ACFT PERFORMANCE CHARTS, WAS 5 HRS 42 MINUTES. THE FLT DEPARTED WITH FULL FUEL TANKS & WHEN IT WAS APRX 6 MILES NORTH OF THE DESTINATION ARPT, THE ENG BEGAN TO RUN ROUGH THEN QUIT. HE RESTARTED IT & ADVISED ATC THAT THE ACFT WAS LOW ON FUEL BUT THE ENG QUIT AGAIN. HE WAS UNABLE TO RESTART IT & DUE TO UNSUITABLE TERRAIN, ELECTED TO DITCH THE ACFT IN A LAKE SHORT OF THE ARPT. ALL OCCUPANTS ESCAPED THE ACFT & WERE RESCUED A SHORT TIME LATER. THE ELAPSED TIME FROM DEPARTURE TO THE ACCIDENT WAS 4 HRS 32 MINUTES. THE PLT FURTHER STATED THAT THE ACFT'S CLOCK WAS 30-40 MINUTES SLOW & THE FUEL GAUGES WERE INACCURATE. HE STATED HIS PROCEDURE FOR LEANING THE FUEL/AIR MIXTURE IS TO PULL THE MIXTURE CONTROL UNTIL THE ENG BEGINS TO RUN ROUGH THEN PUSH IT IN UNTIL THE ENG RUNS SMOOTH. THE ACFT'S PERFORMANCE CHARTS USE AN EGT GAGE (WHICH WAS INSTALLED) AS A REFERENCE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

INADEQUATE PLANNING BY THE PILOT.

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